Crossover between electromagnetically induced transparency and Autler

Crossover between electromagnetically induced transparency and Autler–Townes splitting with dispersion

Lu Xiao-Gang^a), Miao Xing-Xu^a), Bai Jin-Hai^a), Yuan Yuan^a),^b), Wu Ling-An^a), Fu Pan-Ming^a), Wang Ru-Quan†^a), Zuo Zhan-Chun‡^a)

Absorption (a) and dispersion (b) profiles of a Λ -type Rb atom system versus detuning δ for coupling beam Rabi frequencies Ω / Γ of 0.26, 0.57, 1.36, and 5.01, respectively, where Γ is the natural linewidth.